/*!	 synfig/rendering/opengl/internal/misc.cpp
**	 Misc
**
**	......... ... 2015 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#ifndef _WIN32
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#endif

#include "misc.h"

#endif

using namespace synfig;
using namespace rendering;

gl::Misc::Misc(Context &context):
    context(context)
{
    Context::Lock lock(context);
    //
}

gl::Misc::~Misc()
{
    Context::Lock lock(context);
    //
}

void
gl::Misc::clear(const Color &color)
{
    Context::Lock lock(context);
    GLclampf prev[4];
    glGetFloatv(GL_COLOR_CLEAR_VALUE, prev);
    glClearColor(color.get_r(), color.get_g(), color.get_b(), color.get_a());
    glClear(GL_COLOR_BUFFER_BIT);
    glClearColor(prev[0], prev[1], prev[2], prev[3]);
}